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HOMESERVICE MANUALSFORD2004ECONOLINE E150, VAN CARGO, 4.6 WREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 285 (CLIMATE CONTROL SYSTEM)GENERAL PROCEDURESSPRING LOCK COUPLINGCLEANING
2004 Ford Econoline E150, Van Cargo, 4.6 W

Spring Lock Coupling: Cleaning

2004 Ford Econoline E150, Van Cargo, 4.6 WSECTION Cleaning
WARNING: This page is about a different car, the 2004 Lincoln LS. However, it is still accessible from the selected car via links, so may be relevant.
  1. Fabricate a cleaning tool from a 1/8-inch diameter brazing rod.
    Fig 1: Identifying Brazing Rod And Dimensions
    G03202303Courtesy of FORD MOTOR CO.
  2. Cut an abrasive pad from maroon colored 3M Scotch Brite® with the dimensions corresponding to the coupling size.
    COUPLING AND PAD SIZE SPECIFICATIONS

    Coupling Size Pad Size
    3/8 inch 25 x 50 mm (1 x 2 inch)
    1/2 inch 25 x 50 mm (1 x 2 inch)
    5/8 inch 25 x 76 mm (1 x 3 inch)
    3/4 inch 25 x 102 mm (1 x 4 inch)
  3. Assemble the pad to the tool.
    Fig 2: Assembling Pad To Tool
    G03202304Courtesy of FORD MOTOR CO.
  4. Coat the abrasive pad with PAG Refrigerant Compressor Oil (R-134a Systems) or equivalent.
  5. Roll the pad on the tool and install it in a variable speed drill motor.
    6. CAUTION: Maintain low speed drill rotation when inserting or removing the cleaning tool to prevent axial scratches which may cause future leaks.
RENDER: 1.0x

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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.